Purbachal
IUCN Not ReportedSpecial Biodiversity Conservation Area · 2025
1 km²
Commune · BGD
Kaliganj
Bangladesh
CwaTemperate, dry winter, hot summer(100 %)
Species observed
68
Observations
133
Area
204,9km²
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Kaliganj : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 3 types (connectance 6.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
32
Connectance
0.065
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
68 distinct species · 133 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,3°C
Annual rain
2 205mm
Warmest m°
32,4°C
Coldest m°
12,4°C
Elevation: 5 m on average (min 3 m, max 9 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
25,3°C
Annual rain
2 205mm
Warmest month
32,4°C
Coldest month
12,4°C
Mean alt.
5m
Min
3m
Max
9m
Std. dev.
1m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,5
Org. C
22,1g/kg
Clay
33,1%
Sand
33,4%
Silt
33,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Gazipur
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
25,6g/kg
Clay
28,4%
Sand
36,4%
Silt
35,2%
5–15 cm
pH H₂O
5,4
Org. C
22,2g/kg
Clay
32,1%
Sand
34,1%
Silt
33,8%
15–30 cm
pH H₂O
5,4
Org. C
18,5g/kg
Clay
38,9%
Sand
29,7%
Silt
31,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.0%
Crops39.9%
Built-up1.8%
Bare soil0.1%
Other (grassland, water…)23.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
15,7km
Basins crossed
2
Max stream order
4
Max drainage
4 954km²
Discharge in basins
36,0m³/s
Mean precip.
2 061mm/an
Mean T°
25,8°C
Moisture idx
0,30
Mean runoff
1 477mm/an
Mean elev. (basins)
12m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
11hab/km²
Night light
1,1nW
Built-up
175,8%
Pesticides
14,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN